Air Quality in Tri-Cities, United States

Clear
19.4°C · 22.0% humidity
19.4°
Feels 19.4°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
7 stations

Nearby Monitoring Stations

AQI Forecast
31 9am
35
32
37 12pm
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Station readings
31
35
32
33

Air Quality Index Trend

48h · 4 stn

Tri-Cities's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

22.0%
Humidity
8.5 km/h
Wind N
1019.0 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
37
8.87 µg/m³
PM10▲
76
104.9 µg/m³
050100150200300500

What is the weather forecast for Tri-Cities?

Temperature & Precipitation

PM2.5 Trend

48h · 4 stations
PM2.58.87 µg/m³ ✓ WHO
Good
PM10104.9 µg/m³
Moderate
UV INDEX0.0
Low
Station readings (7 stations within 25 km)
8.87
Median
8.67
Average
6.9
Low
11.77
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +4.6

What is the 7-day forecast for Tri-Cities?

10-20
19.4° 10.3°
10-21
19.1° 10.1°
10-22
20.3° 5.9°
10-23
20.2° 7.3°
10-24
15.7° 8.4°
0.06 mm
10-25
15.1° 7.0°
10-26
15.8° 12.9°
Both models agree Avg diff: 4.8°C

Where are air quality stations near Tri-Cities?

37
Metaline, Kennewick, Washington, USA
3.0 km PM2.5: 8.9 µg/m³
36
Metaline, Kennewick, Washington, USA
3.0 km PM2.5: 8.6 µg/m³
36
Metaline, Kennewick, Washington, USA
3.0 km PM2.5: 8.6 µg/m³
19
Kennewick-S Steptoe St
5.8 km PM2.5: 4.6 µg/m³
49
Pasco
7.9 km PM2.5: 11.8 µg/m³
28
Burbank-Maple St
15.3 km PM2.5: 6.7 µg/m³
30
Finley-S Finley Rd
15.9 km PM2.5: 7.2 µg/m³

What cities are near Tri-Cities?

37 Kennewick 42 Pasco 36 Richland 54 Hermiston 21 Sunnyside 31 Walla Walla 25 Pendleton 21 Moses Lake 55 Yakima 32 Ellensburg
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T19:12 UTC.